WAEC Chemistry 2022 Objective — Question 46
Question 46 of 50 from the West African Examinations Council (WAEC) Chemistry 2022 Objective paper, with the correct answer and a full explanation.
Advertisement
Which of the following processes occur during fractional distillation of petroleum?
- A. Condensation and diffusion
- B. Diffusion and evaporation
- C. Diffusion and sublimation
- D. Evaporation and condensationCorrect
Explanation
Fractional distillation of petroleum involves evaporation of the crude oil components and condensation of the vapours at different temperatures based on differing boiling points.
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.